Question

Выполни деление алгебраических дробей​

Answer 1

$\displaystyle \tt \bigg(\frac{b^{6}(b-c)^{3}}{d^{9}(c-d)}\bigg)^{3}:\bigg(\frac{b^{2}(b-c)}{d^{3}(d-c)}\bigg)^{9}=\frac{b^{18}(b-c)^{9}}{d^{27}(c-d)^{3}}\cdot\frac{d^{27}(d-c)^{9}}{b^{18}(b-c)^{9}}=\\\\\\=-\frac{(d-c)^{9}}{(d-c)^{3}}=-(d-c)^{6};$